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<a name="gst-plugins-good-plugins-rtpmux"></a><div class="titlepage"></div>
<div class="refnamediv"><table width="100%"><tr>
<td valign="top">
<h2><span class="refentrytitle"><a name="gst-plugins-good-plugins-rtpmux.top_of_page"></a>rtpmux</span></h2>
<p>rtpmux</p>
</td>
<td class="gallery_image" valign="top" align="right"></td>
</tr></table></div>
<div class="refsect1">
<a name="gst-plugins-good-plugins-rtpmux.properties"></a><h2>Properties</h2>
<div class="informaltable"><table class="informaltable" border="0">
<colgroup>
<col width="150px" class="properties_type">
<col width="300px" class="properties_name">
<col width="200px" class="properties_flags">
</colgroup>
<tbody>
<tr>
<td class="property_type"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a></td>
<td class="property_name"><a class="link" href="gst-plugins-good-plugins-rtpmux.html#GstRTPMux--seqnum" title="The “seqnum” property">seqnum</a></td>
<td class="property_flags">Read</td>
</tr>
<tr>
<td class="property_type"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a></td>
<td class="property_name"><a class="link" href="gst-plugins-good-plugins-rtpmux.html#GstRTPMux--seqnum-offset" title="The “seqnum-offset” property">seqnum-offset</a></td>
<td class="property_flags">Read / Write</td>
</tr>
<tr>
<td class="property_type"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a></td>
<td class="property_name"><a class="link" href="gst-plugins-good-plugins-rtpmux.html#GstRTPMux--ssrc" title="The “ssrc” property">ssrc</a></td>
<td class="property_flags">Read / Write</td>
</tr>
<tr>
<td class="property_type"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a></td>
<td class="property_name"><a class="link" href="gst-plugins-good-plugins-rtpmux.html#GstRTPMux--timestamp-offset" title="The “timestamp-offset” property">timestamp-offset</a></td>
<td class="property_flags">Read / Write</td>
</tr>
</tbody>
</table></div>
</div>
<a name="GstRTPMux"></a><div class="refsect1">
<a name="gst-plugins-good-plugins-rtpmux.other"></a><h2>Types and Values</h2>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="name">
<col class="description">
</colgroup>
<tbody><tr>
<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="gst-plugins-good-plugins-rtpmux.html#GstRTPMux-struct" title="struct GstRTPMux">GstRTPMux</a></td>
</tr></tbody>
</table></div>
</div>
<div class="refsect1">
<a name="gst-plugins-good-plugins-rtpmux.object-hierarchy"></a><h2>Object Hierarchy</h2>
<pre class="screen">    <a href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GObject-struct">GObject</a>
    <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GInitiallyUnowned">GInitiallyUnowned</a>
        <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstObject.html#GstObject-struct">GstObject</a>
            <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstElement.html#GstElement-struct">GstElement</a>
                <span class="lineart">╰──</span> GstRTPMux
                    <span class="lineart">╰──</span> <a class="link" href="gst-plugins-good-plugins-rtpdtmfmux.html#GstRTPDTMFMux">GstRTPDTMFMux</a>
</pre>
</div>
<div class="refsect1">
<a name="gst-plugins-good-plugins-rtpmux.description"></a><h2>Description</h2>
<p>The rtp muxer takes multiple RTP streams having the same clock-rate and
muxes into a single stream with a single SSRC.</p>
<div class="refsect2">
<a name="id-1.2.198.7.3"></a><h3>Example pipelines</h3>
<div class="informalexample">
  <table class="listing_frame" border="0" cellpadding="0" cellspacing="0">
    <tbody>
      <tr>
        <td class="listing_lines" align="right"><pre>1
2
3
4
5
6</pre></td>
        <td class="listing_code"><pre class="programlisting">gst<span class="gtkdoc opt">-</span>launch<span class="gtkdoc opt">-</span><span class="number">1.0</span> rtpmux name<span class="gtkdoc opt">=</span>mux <span class="gtkdoc opt">!</span> udpsink host<span class="gtkdoc opt">=</span><span class="number">127.0.0.1</span> port<span class="gtkdoc opt">=</span><span class="number">8888</span>        \
             alsasrc <span class="gtkdoc opt">!</span> alawenc <span class="gtkdoc opt">!</span> rtppcmapay <span class="gtkdoc opt">!</span>                        \
             application<span class="gtkdoc opt">/</span>x<span class="gtkdoc opt">-</span>rtp<span class="gtkdoc opt">,</span> payload<span class="gtkdoc opt">=</span><span class="number">8</span><span class="gtkdoc opt">,</span> rate<span class="gtkdoc opt">=</span><span class="number">8000</span> <span class="gtkdoc opt">!</span> mux<span class="gtkdoc opt">.</span>sink_0    \
             audiotestsrc is<span class="gtkdoc opt">-</span>live<span class="gtkdoc opt">=</span><span class="number">1</span> <span class="gtkdoc opt">!</span>                                \
             mulawenc <span class="gtkdoc opt">!</span> rtppcmupay <span class="gtkdoc opt">!</span>                                 \
             application<span class="gtkdoc opt">/</span>x<span class="gtkdoc opt">-</span>rtp<span class="gtkdoc opt">,</span> payload<span class="gtkdoc opt">=</span><span class="number">0</span><span class="gtkdoc opt">,</span> rate<span class="gtkdoc opt">=</span><span class="number">8000</span> <span class="gtkdoc opt">!</span> mux<span class="gtkdoc opt">.</span>sink_1</pre></td>
      </tr>
    </tbody>
  </table>
</div>

In this example, an audio stream is captured from ALSA and another is
generated, both are encoded into different payload types and muxed together
so they can be sent on the same port.
</div>
<div class="refsynopsisdiv">
<h2>Synopsis</h2>
<div class="refsect2">
<a name="id-1.2.198.7.4.1"></a><h3>Element Information</h3>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term">plugin</span></p></td>
<td>
            <a class="link" href="gst-plugins-good-plugins-plugin-rtpmanager.html#plugin-rtpmanager">rtpmanager</a>
          </td>
</tr>
<tr>
<td><p><span class="term">author</span></p></td>
<td>Zeeshan Ali &lt;first.last@nokia.com&gt;</td>
</tr>
<tr>
<td><p><span class="term">class</span></p></td>
<td>Codec/Muxer</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="id-1.2.198.7.4.2"></a><h3>Element Pads</h3>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term">name</span></p></td>
<td>sink_%u</td>
</tr>
<tr>
<td><p><span class="term">direction</span></p></td>
<td>sink</td>
</tr>
<tr>
<td><p><span class="term">presence</span></p></td>
<td>request</td>
</tr>
<tr>
<td><p><span class="term">details</span></p></td>
<td>application/x-rtp</td>
</tr>
</tbody>
</table></div>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term">name</span></p></td>
<td>src</td>
</tr>
<tr>
<td><p><span class="term">direction</span></p></td>
<td>source</td>
</tr>
<tr>
<td><p><span class="term">presence</span></p></td>
<td>always</td>
</tr>
<tr>
<td><p><span class="term">details</span></p></td>
<td>application/x-rtp</td>
</tr>
</tbody>
</table></div>
</div>
</div>
</div>
<div class="refsect1">
<a name="gst-plugins-good-plugins-rtpmux.functions_details"></a><h2>Functions</h2>
<p></p>
</div>
<div class="refsect1">
<a name="gst-plugins-good-plugins-rtpmux.other_details"></a><h2>Types and Values</h2>
<div class="refsect2">
<a name="GstRTPMux-struct"></a><h3>struct GstRTPMux</h3>
<pre class="programlisting">struct GstRTPMux;</pre>
<p>The opaque <a class="link" href="gst-plugins-good-plugins-rtpmux.html#GstRTPMux"><span class="type">GstRTPMux</span></a> structure.</p>
</div>
</div>
<div class="refsect1">
<a name="gst-plugins-good-plugins-rtpmux.property-details"></a><h2>Property Details</h2>
<div class="refsect2">
<a name="GstRTPMux--seqnum"></a><h3>The <code class="literal">“seqnum”</code> property</h3>
<pre class="programlisting">  “seqnum”                   <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a></pre>
<p>The RTP sequence number of the last processed packet.</p>
<p>Flags: Read</p>
<p>Default value: 0</p>
</div>
<hr>
<div class="refsect2">
<a name="GstRTPMux--seqnum-offset"></a><h3>The <code class="literal">“seqnum-offset”</code> property</h3>
<pre class="programlisting">  “seqnum-offset”            <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a></pre>
<p>Offset to add to all outgoing seqnum (-1 = random).</p>
<p>Flags: Read / Write</p>
<p>Allowed values: &gt;= G_MAXULONG</p>
<p>Default value: -1</p>
</div>
<hr>
<div class="refsect2">
<a name="GstRTPMux--ssrc"></a><h3>The <code class="literal">“ssrc”</code> property</h3>
<pre class="programlisting">  “ssrc”                     <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a></pre>
<p>The SSRC of the packets (default == random).</p>
<p>Flags: Read / Write</p>
<p>Default value: 4294967295</p>
</div>
<hr>
<div class="refsect2">
<a name="GstRTPMux--timestamp-offset"></a><h3>The <code class="literal">“timestamp-offset”</code> property</h3>
<pre class="programlisting">  “timestamp-offset”         <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a></pre>
<p>Offset to add to all outgoing timestamps (-1 = random).</p>
<p>Flags: Read / Write</p>
<p>Allowed values: &gt;= G_MAXULONG</p>
<p>Default value: -1</p>
</div>
</div>
<div class="refsect1">
<a name="gst-plugins-good-plugins-rtpmux.see-also"></a><h2>See Also</h2>
<p>rtpdtmfmux</p>
</div>
</div>
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